1055521533 has 32 divisors (see below), whose sum is σ = 1581955200. Its totient is φ = 620386560.

The previous prime is 1055521529. The next prime is 1055521549. The reversal of 1055521533 is 3351255501.

It is not a de Polignac number, because 1055521533 - 2² = 1055521529 is a prime.

It is a super-2 number, since 2×1055521533² = 2228251413253340178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055521533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055521583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424891 + ... + 427367.

It is an arithmetic number, because the mean of its divisors is an integer number (49436100).

Almost surely, 2^1055521533 is an apocalyptic number.

It is an amenable number.

1055521533 is a deficient number, since it is larger than the sum of its proper divisors (526433667).

1055521533 is a wasteful number, since it uses less digits than its factorization.

1055521533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1055521533 is about 32488.7908823951. The cubic root of 1055521533 is about 1018.1748512450.

The spelling of 1055521533 in words is "one billion, fifty-five million, five hundred twenty-one thousand, five hundred thirty-three".